ZipCheckup grade for 77065: B.
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Houston, TX (77065): 3 Health-Based Violations Recorded for Mapped Water Systems - 75/100
EPA data combined for 13 water systems mapped to this ZIP (largest mapped system: Harris County Municipal Utility District 168)
Health-based violation records by water system:
EPA records for the water systems mapped to 77065 in Houston, TX contain 41 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 3 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 3 health-based violations and 38 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0011 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 673 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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For Houston (77065), a single critical-level condition heads the record, followed by 1 separate high-priority finding.
Score Breakdown
Overall Home Safety Score: 75/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 77065 in Houston, Texas is mapped to the water system Harris County Municipal Utility District 168 (EPA ID: TX1011783). This system provides water to approximately 13,029 people from groundwater sources.
There are 13 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Harris County Municipal Utility District 168 | TX1011783 | 13,029 | Groundwater |
| Northwest Harris County Municipal Utility District 29 | TX1012293 | 3,000 | Groundwater |
| City of Jersey Village | TX1010016 | 7,792 | Surface water |
| Harris County Municipal Utility District 222 | TX1013054 | 6,129 | Groundwater |
| Harris County Fwsd 61 | TX1010237 | 15,400 | Groundwater |
Other Water Quality Reports in Texas
- 73301 (Austin)
- 73344 (Austin)
- 73960 (Texhoma)
- 75001 (Addison) - 2 violations recorded for mapped water systems
- 75002 (Allen) - 14 violations recorded for mapped water systems
- 75006 (Carrollton) - 2 violations recorded for mapped water systems
- 75007 (Carrollton) - 1 violation recorded for mapped water systems
- 75009 (Celina) - 18 violations recorded for mapped water systems
- 75010 (Carrollton) - 1 violation recorded for mapped water systems
- 75011 (Carrollton)
- 75013 (Allen)
- 75014 (Irving)
- 75015 (Irving)
- 75016 (Irving)
- 75017 (Irving)
- 75019 (Coppell) - 5 violations recorded for mapped water systems
- 75020 (Denison) - 38 violations recorded for mapped water systems
- 75021 (Denison) - 30 violations recorded for mapped water systems
- 75022 (Flower Mound) - 18 violations recorded for mapped water systems
- 75023 (Plano)
Nearby Water Quality Reports
- 77064 (Houston) - 3 mi - 30 violations recorded for mapped water systems
- 77429 (Cypress) - 3 mi - 37 violations recorded for mapped water systems
- 77095 (Houston) - 3 mi - 15 violations recorded for mapped water systems
- 77070 (Houston) - 4 mi - 26 violations recorded for mapped water systems
- 77041 (Houston) - 5 mi - 38 violations recorded for mapped water systems
- 77410 (Cypress) - 6 mi
- 77040 (Houston) - 6 mi - 14 violations recorded for mapped water systems
- 77433 (Cypress) - 6 mi - 15 violations recorded for mapped water systems
- 77069 (Houston) - 7 mi - 18 violations recorded for mapped water systems
- 77084 (Houston) - 7 mi - 13 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Harris County Municipal Utility District 168 (TX1011783) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Compliance History
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 77065.
Detected compounds: PFBA, PFPeA, PFHxA, PFBS, PFHxS.
Highest measured level: 0.0309 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (8) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Houston
Based on local data for ZIP 77065, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Houston has 673 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Roofing Inspection & Repair
Active weather alerts in Texas increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 77065 safe to drink?
EPA SDWIS records 41 violations since 2021 across the water systems mapped to ZIP 77065 (primary system: Harris County Municipal Utility District 168), including 3 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 77065's water come from?
The recorded water source for Harris County Municipal Utility District 168, a system mapped to ZIP code 77065, is Groundwater. This system serves approximately 13,029 people.
How does Houston water compare to the national average?
Houston's Home Safety Score ranks better than 51% of U.S. ZIP codes, and lower than 76% of ZIP codes within Texas.
How can I get my water tested in Houston?
If Harris County Municipal Utility District 168 supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 77065 tap water?
The Lead and Copper Rule record selected for 77065 reports a 90th-percentile lead result of 0.00113 mg/L for a water system mapped to this ZIP (record date 2026-06-30). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 77065?
77065 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Harris County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 77065's water?
Yes, PFAS have been detected in samples from water systems mapped to 77065. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 77065?
FEMA records contain 673 flood insurance claims filed in ZIP code 77065; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Houston, TX (77065): 3 Health-Based Violations Recorded for Mapped Water Systems - 75/100. https://zipcheckup.com/report/77065/
@misc{zipcheckup-report-77065,
author = {{ZipCheckup}},
title = {{Houston, TX (77065): 3 Health-Based Violations Recorded for Mapped Water Systems - 75/100}},
year = {2026},
url = {https://zipcheckup.com/report/77065/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 77065
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 77064 | Houston, TX | 3.3 mi | B | 30 |
| 77429 | Cypress, TX | 3.4 mi | B | 37 |
| 77095 | Houston, TX | 3.4 mi | C | 15 |
| 77070 | Houston, TX | 3.7 mi | B | 26 |
| 77041 | Houston, TX | 5.2 mi | B | 38 |
| 77410 | Cypress, TX | 5.8 mi | N/A | 0 |
| 77040 | Houston, TX | 6.4 mi | B | 14 |
| 77433 | Cypress, TX | 6.4 mi | B | 15 |
| 77069 | Houston, TX | 6.6 mi | A | 18 |
| 77084 | Houston, TX | 6.8 mi | C | 13 |
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